The area of sector is 1/5 of the area of circle find the angle of the sector
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Let the area of circle be A
Area of sector = A/5
We know that,
Area of sector = Area of circle × Angle of sector / 360
=> A/5 = A × Angle of sector / 360
=> Angle of sector = 360A/5A
=> Angle of sector = 72°
Area of sector = A/5
We know that,
Area of sector = Area of circle × Angle of sector / 360
=> A/5 = A × Angle of sector / 360
=> Angle of sector = 360A/5A
=> Angle of sector = 72°
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